Patent · US Expired

Method for manufacturing foam pattern assemblies

US5086825A · kind A · utility

1Cited by
5References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 10, 1990
Grant dateFeb 11, 1992
Priority date
Expiry dateMay 10, 2010

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29L2031/757
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A foam pattern assembly includes a parting line, and a surface which is intersected by the parting line and which includes a first surface portion and a second surface portion offset from the first surface portion at the parting line. The surface is leveled so that the first surface portion is not offset from the second surface portion.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.